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Forum: Diesel Discussion

07-13-2018, 06:40 PM

Replies: 17

‘87 SDL. AC Rebuild Not Satisfactory

Views: 1,618

Posted By Diseasel300

Not too far off from mine. The vacuum solenoid...

Not too far off from mine. The vacuum solenoid block on mine was suffering from broken solder joints, and also found a broken vacuum line going to the recirculate flaps. Repaired that today and I'm...

Forum: Diesel Discussion

06-15-2018, 10:24 AM

Replies: 17

‘87 SDL. AC Rebuild Not Satisfactory

Views: 1,618

Posted By Diseasel300

Refrigerants are fickle. Charge to 36 oz, THEN...

Refrigerants are fickle. Charge to 36 oz, THEN check pressure, not the other way around. It helps to have a large fan blowing across the condenser. As the refrigerant condenses to a liquid in the...

Forum: Diesel Discussion

06-15-2018, 12:21 AM

Replies: 17

‘87 SDL. AC Rebuild Not Satisfactory

Views: 1,618

Posted By Diseasel300

After you pinched off the monovalve line, how...

After you pinched off the monovalve line, how long did you wait before you checked temp? If it's leaking by or failing to close, the heater core will be HOT and it'll take a minute or two to cool it...

Forum: Diesel Discussion

06-14-2018, 10:12 PM

Replies: 17

‘87 SDL. AC Rebuild Not Satisfactory

Views: 1,618

Posted By Diseasel300

Only if it fails to engage the compressor close...

Only if it fails to engage the compressor close the monovalve. If the compressor is engaged and the monovalve is closed, the CCU is doing what its supposed to do. Even if every vacuum pod failed,...

Forum: Diesel Discussion

06-14-2018, 07:14 PM

Replies: 17

‘87 SDL. AC Rebuild Not Satisfactory

Views: 1,618

Posted By Diseasel300

How much R134a do you have in the system? Your...

How much R134a do you have in the system? Your video description says you charged with 2.9 pounds? If you did, you're WAY overcharged. 2.9 pounds is the original fill of R12. R134a should be...

Forum: Diesel Discussion

06-14-2018, 06:51 PM

Replies: 17

‘87 SDL. AC Rebuild Not Satisfactory

Views: 1,618

Posted By Diseasel300

Defrost is the default position. When you switch...

Defrost is the default position. When you switch on the climate control, it has to open the flaps to get the center vents to work and close the flap to the defrost. If you just started the car, it...

Forum: Diesel Discussion

06-14-2018, 06:26 PM

Replies: 17

‘87 SDL. AC Rebuild Not Satisfactory

Views: 1,618

Posted By Diseasel300

Sounds like the monovalve is stuck open. With...

Sounds like the monovalve is stuck open. With pressures like that you should be able to blow <60˚ in those ambient conditions with all the doors to the car open. The cold return line is your clue...

Showing results 1 to 7 of 7

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